How do I check if the three last characters of a variable match another variable?

up vote
4
down vote

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I have %var1% and %var2%

var1="UserInput"
var2=file.log

If a user types %var1% as "file.txt", how can I (if possible) check only the three last characters (Or the file format if that's possible) to see if it matches %var2%'s three last characters or file format?

Another method that does the same thing is also welcome (But the user-input variable must be there)

edited 24 mins ago

phuclv

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asked 13 hours ago

Tom

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up vote
4
down vote

favorite

I have %var1% and %var2%

var1="UserInput"
var2=file.log

Another method that does the same thing is also welcome (But the user-input variable must be there)

edited 24 mins ago

phuclv

8,47663488

asked 13 hours ago

Tom

235

New contributor

add a commentÂ |Â

up vote
4
down vote

favorite

I have %var1% and %var2%

var1="UserInput"
var2=file.log

Another method that does the same thing is also welcome (But the user-input variable must be there)

edited 24 mins ago

phuclv

8,47663488

asked 13 hours ago

Tom

235

New contributor

I have %var1% and %var2%

var1="UserInput"
var2=file.log

Another method that does the same thing is also welcome (But the user-input variable must be there)

windows-7 command-line batch script environment-variables

edited 24 mins ago

phuclv

8,47663488

asked 13 hours ago

Tom

235

New contributor

edited 24 mins ago

phuclv

8,47663488

asked 13 hours ago

Tom

235

New contributor

edited 24 mins ago

phuclv

8,47663488

edited 24 mins ago

phuclv

8,47663488

edited 24 mins ago

phuclv

8,47663488

asked 13 hours ago

Tom

235

New contributor

asked 13 hours ago

Tom

235

asked 13 hours ago

Tom

235

New contributor

Tom is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

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2 Answers
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up vote
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down vote

How do I check if the three last characters of a variable match another variable?

Use variable substring syntax to extract the last 3 characters of each variable.

Example batch file:

@echo off
setlocal
set /p var1="UserInput: "
set var1last3=%var1:~-3%
set var2=file.log
set var2last3=%var2:~-3%
if %var1last3% == %var2last3% (
 echo Match
 ) else (
 echo No Match
 )
endlocal

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2 Answers
2

active

oldest

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2 Answers
2

active

oldest

votes

up vote
5
down vote

How do I check if the three last characters of a variable match another variable?

Use variable substring syntax to extract the last 3 characters of each variable.

Example batch file:

@echo off
setlocal
set /p var1="UserInput: "
set var1last3=%var1:~-3%
set var2=file.log
set var2last3=%var2:~-3%
if %var1last3% == %var2last3% (
 echo Match
 ) else (
 echo No Match
 )
endlocal

How do I check if the three last characters of a variable match another variable?

Use variable substring syntax to extract the last 3 characters of each variable.

Example batch file:

@echo off
setlocal
set /p var1="UserInput: "
set var1last3=%var1:~-3%
set var2=file.log
set var2last3=%var2:~-3%
if %var1last3% == %var2last3% (
 echo Match
 ) else (
 echo No Match
 )
endlocal

How do I check if the three last characters of a variable match another variable?

Use variable substring syntax to extract the last 3 characters of each variable.

Example batch file:

@echo off
setlocal
set /p var1="UserInput: "
set var1last3=%var1:~-3%
set var2=file.log
set var2last3=%var2:~-3%
if %var1last3% == %var2last3% (
 echo Match
 ) else (
 echo No Match
 )
endlocal

How do I check if the three last characters of a variable match another variable?

Use variable substring syntax to extract the last 3 characters of each variable.

Example batch file:

@echo off
setlocal
set /p var1="UserInput: "
set var1last3=%var1:~-3%
set var2=file.log
set var2last3=%var2:~-3%
if %var1last3% == %var2last3% (
 echo Match
 ) else (
 echo No Match
 )
endlocal

@echo off
setlocal
set "var1=file.Log"
set "var2=file.myLog"

:: Option 1 using FOR loops
for %%A in ("%var1%") do for %%B in ("%var2%") do if "%%~xA"=="%%~xB" (
 echo Match
) else (
 echo No Match
)

: Option 2 using CALL parameters
call :matchExtension "%var1%" "%var2%" &&echo Match||echo No Match
exit /b

:matchExtension file1 fil2 --> returns 0 (success) if match, 1 (error) if no match
if "%~x1"=="%~x2" exit /b 0
exit /b 1

answered 12 hours ago

dbenham

7,48631828

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up vote
4
down vote

If you are going to check a fixed number of characters, then you should check the last 4, else "file.Log" will match "file.myLog".

But the best option is to get the actual extension, regardless the length:

@echo off
setlocal
set "var1=file.Log"
set "var2=file.myLog"

:: Option 1 using FOR loops
for %%A in ("%var1%") do for %%B in ("%var2%") do if "%%~xA"=="%%~xB" (
 echo Match
) else (
 echo No Match
)

: Option 2 using CALL parameters
call :matchExtension "%var1%" "%var2%" &&echo Match||echo No Match
exit /b

:matchExtension file1 fil2 --> returns 0 (success) if match, 1 (error) if no match
if "%~x1"=="%~x2" exit /b 0
exit /b 1

answered 12 hours ago

dbenham

7,48631828

add a commentÂ |Â

up vote
4
down vote

If you are going to check a fixed number of characters, then you should check the last 4, else "file.Log" will match "file.myLog".

But the best option is to get the actual extension, regardless the length:

@echo off
setlocal
set "var1=file.Log"
set "var2=file.myLog"

:: Option 1 using FOR loops
for %%A in ("%var1%") do for %%B in ("%var2%") do if "%%~xA"=="%%~xB" (
 echo Match
) else (
 echo No Match
)

: Option 2 using CALL parameters
call :matchExtension "%var1%" "%var2%" &&echo Match||echo No Match
exit /b

:matchExtension file1 fil2 --> returns 0 (success) if match, 1 (error) if no match
if "%~x1"=="%~x2" exit /b 0
exit /b 1

answered 12 hours ago

dbenham

7,48631828

If you are going to check a fixed number of characters, then you should check the last 4, else "file.Log" will match "file.myLog".

But the best option is to get the actual extension, regardless the length:

@echo off
setlocal
set "var1=file.Log"
set "var2=file.myLog"

:: Option 1 using FOR loops
for %%A in ("%var1%") do for %%B in ("%var2%") do if "%%~xA"=="%%~xB" (
 echo Match
) else (
 echo No Match
)

: Option 2 using CALL parameters
call :matchExtension "%var1%" "%var2%" &&echo Match||echo No Match
exit /b

:matchExtension file1 fil2 --> returns 0 (success) if match, 1 (error) if no match
if "%~x1"=="%~x2" exit /b 0
exit /b 1

answered 12 hours ago

dbenham

7,48631828

answered 12 hours ago

dbenham

7,48631828

answered 12 hours ago

dbenham

7,48631828

answered 12 hours ago

dbenham

7,48631828

add a commentÂ |Â

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How do I check if the three last characters of a variable match another variable?

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How do I check if the three last characters of a variable match another variable?

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How do I check if the three last characters of a variable match another variable?

Further Reading

How do I check if the three last characters of a variable match another variable?

Further Reading

How do I check if the three last characters of a variable match another variable?

Further Reading

How do I check if the three last characters of a variable match another variable?

Further Reading

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How do I check if the three last characters of a variable match another variable?

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How do I check if the three last characters of a variable match another variable?

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How do I check if the three last characters of a variable match another variable?

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